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10 of the most memorable space photos

Neptune's double crescent

Astronomer Greg Laughlin of the University of California, Santa Cruz nominated an image of the crescent planet Neptune and its crescent moon Triton taken by NASA's Voyager 2 spacecraft in 1989. "There's no false color, no artifice, no agenda," Laughlin said."This photograph is calming, mysterious and aesthetically perfect."

Neptune's double crescent

Astronomer Greg Laughlin of the University of California, Santa Cruz nominated an image of the crescent planet Neptune and its crescent moon Triton taken by NASA's Voyager 2 spacecraft in 1989. "There's no false color, no artifice, no agenda," Laughlin said."This photograph is calming, mysterious and aesthetically perfect."